本文以钛酸正四丁酯为钛源、赖氨酸为修饰剂,研究了原位修饰法制备氨基化纳米二氧化钛的实验条件,并通过SEM、FT-IR、TG对制得的材料进行表征.研究结果表明:在赖氨酸添加量为4.0g、pH值为10.0、温度为100℃的实验条件下,合成的纳米TiO2形貌呈鳞片型密集排列,鳞片厚度为10 nm左右,其氨基含量达2.8 mmol·g-1.由此证实,通过赖氨酸的原位修饰可以实现纳米TiO2的氨基化,并能调控纳米TiO2表面的氨基含量及其形貌结构.
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